Backoff Reconnect (#6358)

* Add a Stop command that does a bit of cleanup in the engineStateMachine

* Major network code startup refactor; backoff reconnect; many more logs for us

* Save camera state after every user interaction in case of disconnection and restoral

* Translate basic WebSocket error numbers into useful text

* Add a RestartRequest event to the engineCommandManager

* Adjust for a rebase

* Add E2E test for stream pause behavior

* Fix snapshot test

* fmt, lint

* small issue

* Fix tests

* Fix up idle test

* One last fix

* fixes

* Remove circ dep

* fix test

* use a const for time

* TEST -> isPlaywright instead

* whoops

e2e/playwright/test-utils.ts

@@ -44,6 +44,8 @@ export const lowerRightMasks = (page: Page) => [
 export type TestColor = [number, number, number]
 export const TEST_COLORS: { [key: string]: TestColor } = {
   WHITE: [249, 249, 249],
+  OFFWHITE: [237, 237, 237],
+  GREY: [142, 142, 142],
   YELLOW: [255, 255, 0],
   BLUE: [0, 0, 255],
   DARK_MODE_BKGD: [27, 27, 27],